        <!DOCTYPE html>
        <html>
        <head>
                <meta charset="utf-8">
        <title>SimplexCache class / box2d_html Library / Dart Documentation</title>
        <link rel="stylesheet" type="text/css"
            href="../styles.css">
        <link href="http://fonts.googleapis.com/css?family=Open+Sans:400,600,700,800" rel="stylesheet" type="text/css">
        <link rel="shortcut icon" href="../favicon.ico">
        
        </head>
        <body data-library="box2d_html" data-type="SimplexCache">
        <div class="page">
        <div class="header">
          <a href="../index.html"><div class="logo"></div></a>
          <a href="../index.html">Dart Documentation</a>
         &rsaquo; <a href="../box2d_html.html">box2d_html</a> &rsaquo; <a href="../box2d_html/SimplexCache.html">SimplexCache</a>        <div id="search-box">
          <input type="search" name="q" id="q" autocomplete="off"
              class="search-input" placeholder="Search API">
        </div>
        
      </div>
      <div class="drop-down" id="drop-down"></div>
      
        <div class="nav">
        
</div>
<div class="content">
        <h2><strong>SimplexCache</strong>
          class
        </h2>
        
<button id="show-inherited" class="show-inherited">Hide inherited</button>
<div class="doc">
<p> Used to warm start <code>distance</code>. Set count to zero on first call.</p>
<pre class="source">
class SimplexCache {
  /** length or area */
  num metric;

  int count;

  /** vertices on shape A */
  final List&lt;int&gt; indexA;

  /** vertices on shape B */
  final List&lt;int&gt; indexB;

  /**
   * Constructs a new SimplexCache.
   */
  SimplexCache() :
    metric = 0,
    count = 0,
    indexA = new List&lt;int&gt;(3),
    indexB = new List&lt;int&gt;(3) {
    for (int i = 0; i &lt; 3; ++i) {
      indexA[i] = Settings.MAX_INTEGER;
      indexB[i] = Settings.MAX_INTEGER;
    }
  }

  /**
   * Sets this cache equal to the given cache.
   */
  void setFrom(SimplexCache sc) {
    indexA.setRange(0, indexA.length, sc.indexA);
    indexB.setRange(0, indexB.length, sc.indexB);
    metric = sc.metric;
    count = sc.count;
  }
}
</pre>
</div>
<div>
<h3>Constructors</h3>
<div class="method"><h4 id="SimplexCache">
<button class="show-code">Code</button>
new <strong>SimplexCache</strong>() <a class="anchor-link" href="#SimplexCache"
              title="Permalink to SimplexCache.SimplexCache">#</a></h4>
<div class="doc">
<p>Constructs a new SimplexCache.</p>
<pre class="source">
SimplexCache() :
  metric = 0,
  count = 0,
  indexA = new List&lt;int&gt;(3),
  indexB = new List&lt;int&gt;(3) {
  for (int i = 0; i &lt; 3; ++i) {
    indexA[i] = Settings.MAX_INTEGER;
    indexB[i] = Settings.MAX_INTEGER;
  }
}
</pre>
</div>
</div>
</div>
<div>
<h3>Properties</h3>
<div class="field"><h4 id="count">
<button class="show-code">Code</button>
int         <strong>count</strong> <a class="anchor-link"
            href="#count"
            title="Permalink to SimplexCache.count">#</a>
        </h4>
        <div class="doc">
<pre class="source">
int count;
</pre>
</div>
</div>
<div class="field"><h4 id="indexA">
<button class="show-code">Code</button>
final List&lt;int&gt;         <strong>indexA</strong> <a class="anchor-link"
            href="#indexA"
            title="Permalink to SimplexCache.indexA">#</a>
        </h4>
        <div class="doc">
<p>vertices on shape A</p>
<pre class="source">
final List&lt;int&gt; indexA;
</pre>
</div>
</div>
<div class="field"><h4 id="indexB">
<button class="show-code">Code</button>
final List&lt;int&gt;         <strong>indexB</strong> <a class="anchor-link"
            href="#indexB"
            title="Permalink to SimplexCache.indexB">#</a>
        </h4>
        <div class="doc">
<p>vertices on shape B</p>
<pre class="source">
final List&lt;int&gt; indexB;
</pre>
</div>
</div>
<div class="field"><h4 id="metric">
<button class="show-code">Code</button>
num         <strong>metric</strong> <a class="anchor-link"
            href="#metric"
            title="Permalink to SimplexCache.metric">#</a>
        </h4>
        <div class="doc">
<p>length or area</p>
<pre class="source">
num metric;
</pre>
</div>
</div>
<div class="field inherited"><h4 id="runtimeType">
<button class="show-code">Code</button>
final Type         <strong>runtimeType</strong> <a class="anchor-link"
            href="#runtimeType"
            title="Permalink to SimplexCache.runtimeType">#</a>
        </h4>
        <div class="inherited-from">inherited from Object </div><div class="doc">
<p>A representation of the runtime type of the object.</p>
<pre class="source">
external Type get runtimeType;
</pre>
</div>
</div>
</div>
<div>
<h3>Operators</h3>
<div class="method inherited"><h4 id="==">
<button class="show-code">Code</button>
bool <strong>operator ==</strong>(other) <a class="anchor-link" href="#=="
              title="Permalink to SimplexCache.operator ==">#</a></h4>
<div class="inherited-from">inherited from Object </div><div class="doc">
<p>The equality operator.</p>
<p>The default behavior for all <code>Object</code>s is to return true if and
only if <code>this</code> and 
<span class="param">other</span> are the same object.</p>
<p>If a subclass overrides the equality operator it should override
the <code>hashCode</code> method as well to maintain consistency.</p>
<pre class="source">
bool operator ==(other) =&gt; identical(this, other);
</pre>
</div>
</div>
</div>
<div>
<h3>Methods</h3>
<div class="method inherited"><h4 id="hashCode">
<button class="show-code">Code</button>
int <strong>hashCode</strong>() <a class="anchor-link" href="#hashCode"
              title="Permalink to SimplexCache.hashCode">#</a></h4>
<div class="inherited-from">inherited from Object </div><div class="doc">
<p>Get a hash code for this object.</p>
<p>All objects have hash codes. Hash codes are guaranteed to be the
same for objects that are equal when compared using the equality
operator <code>==</code>. Other than that there are no guarantees about
the hash codes. They will not be consistent between runs and
there are no distribution guarantees.</p>
<p>If a subclass overrides <code>hashCode</code> it should override the
equality operator as well to maintain consistency.</p>
<pre class="source">
external int hashCode();
</pre>
</div>
</div>
<div class="method inherited"><h4 id="noSuchMethod">
<button class="show-code">Code</button>
<strong>noSuchMethod</strong>(String name, List args) <a class="anchor-link" href="#noSuchMethod"
              title="Permalink to SimplexCache.noSuchMethod">#</a></h4>
<div class="inherited-from">inherited from Object </div><div class="doc">
<p><code>noSuchMethod</code> is invoked when users invoke a non-existant method
on an object. The name of the method and the arguments of the
invocation are passed to <code>noSuchMethod</code>. If <code>noSuchMethod</code>
returns a value, that value becomes the result of the original
invocation.</p>
<p>The default behavior of <code>noSuchMethod</code> is to throw a
<code>noSuchMethodError</code>.</p>
<pre class="source">
external Dynamic noSuchMethod(String name, List args);
</pre>
</div>
</div>
<div class="method inherited"><h4 id="Object">
<button class="show-code">Code</button>
const <strong>Object</strong>() <a class="anchor-link" href="#Object"
              title="Permalink to SimplexCache.Object">#</a></h4>
<div class="inherited-from">inherited from Object </div><div class="doc">
<p>Creates a new <code>Object</code> instance.</p>
<p><code>Object</code> instances have no meaningful state, and are only useful
through their identity. An <code>Object</code> instance is equal to itself
only.</p>
<pre class="source">
const Object();
</pre>
</div>
</div>
<div class="method"><h4 id="setFrom">
<button class="show-code">Code</button>
void <strong>setFrom</strong>(<a href="../box2d_html/SimplexCache.html">SimplexCache</a> sc) <a class="anchor-link" href="#setFrom"
              title="Permalink to SimplexCache.setFrom">#</a></h4>
<div class="doc">
<p>Sets this cache equal to the given cache.</p>
<pre class="source">
void setFrom(SimplexCache sc) {
  indexA.setRange(0, indexA.length, sc.indexA);
  indexB.setRange(0, indexB.length, sc.indexB);
  metric = sc.metric;
  count = sc.count;
}
</pre>
</div>
</div>
<div class="method"><h4 id="SimplexCache">
<button class="show-code">Code</button>
new <strong>SimplexCache</strong>() <a class="anchor-link" href="#SimplexCache"
              title="Permalink to SimplexCache.SimplexCache">#</a></h4>
<div class="doc">
<p>Constructs a new SimplexCache.</p>
<pre class="source">
SimplexCache() :
  metric = 0,
  count = 0,
  indexA = new List&lt;int&gt;(3),
  indexB = new List&lt;int&gt;(3) {
  for (int i = 0; i &lt; 3; ++i) {
    indexA[i] = Settings.MAX_INTEGER;
    indexB[i] = Settings.MAX_INTEGER;
  }
}
</pre>
</div>
</div>
<div class="method inherited"><h4 id="toString">
<button class="show-code">Code</button>
String <strong>toString</strong>() <a class="anchor-link" href="#toString"
              title="Permalink to SimplexCache.toString">#</a></h4>
<div class="inherited-from">inherited from Object </div><div class="doc">
<p>Returns a string representation of this object.</p>
<pre class="source">
external String toString();
</pre>
</div>
</div>
</div>
        </div>
        <div class="clear"></div>
        </div>
        
        <div class="footer">
          
        </div>
        <script async src="../client-live-nav.js"></script>
        </body></html>
        
